Research Article
A Practical Deep Learning Model in Differentiating Pneumonia-Type Lung Carcinoma from Pneumonia on CT Images: ResNet Added with Attention Mechanism
Table 2
Evaluation indexes of overall effectiveness of the radiologist, deep learning, and radiologist joint model in diagnosing pneumonia-like lesions.
| | Junior radiologist | Senior radiologist | Model | Junior radiologist + model | Senior radiologist + model |
| No. of correct diagnosis | 25/36 | 27/38 | 32/42 | 32/44 | 33/45 | LLF | 61% | 65% | 74% | 76% | 78% | NLF | 32.4% (95% CI: 0.19–0.50) | 27.01% (95% CI: 0.14–0.44) | 13.51% (95% CI: 0.05–0.30) | 13.51% (95% CI: 0.05–0.30) | 10.81% (95% CI: 0.04–0.26) | Sensitivity | 48.0% (95% CI: 0.34–0.62) | 51.92% (95% CI: 0.38–0.66) | 60.37% (95% CI: 0.46–0.73) | 62.75% (95% CI: 0.48–0.76) | 64.71% (95% CI: 0.50–0.77) | Specificity | 75.0% (95% CI: 0.60–0.86) | 79.17% (95% CI: 0.65–0.89) | 89.36% (95% CI: 0.76–0.96) | 89.80% (95% CI: 0.77–0.96) | 91.84% (95% CI: 0.80–0.97) | PPV | 67.5% (95% CI: 0.50–0.81) | 72.97% (95% CI: 0.56–0.86) | 86.49% (95% CI: 0.70–0.95) | 86.49% (95% CI: 0.70–0.95) | 89.19% (95% CI: 0.74–0.96) | NPV | 57.1% (95% CI: 0.44–0.69) | 60.31% (95% CI: 0.47–0.72) | 66.67% (95% CI: 0.54–0.78) | 69.84% (95% CI: 0.57–0.80) | 71.43% (95% CI: 0.58–0.82) |
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